Progress in Oral Vaccination against Tuberculosis in Its Main Wildlife Reservoir in Iberia, the Eurasian Wild Boar

Table 1

Characteristics of commercial, registered, or patented baits designed for the delivery of vaccines or pharmaceuticals to wild boar and feral pigs. Disadvantages include particularly their suitability for vaccine delivery to piglets.

Bait	Shape and size	Use	Advantages	Disadvantages	References
Riemser	Square shape (4×4×1.5 cm)	Delivery of vaccines against classical swine fever in Europe	Resistant to water and moisture	Not resistant to warm temperatures; Not completely consumed by <4.5 month-old wild boar piglets	[33–35]
IREC, Spain	Hemispherical shape ( ∅3.4×1.6 cm; Figures 1(a) and 1(b))	Delivery of vaccines against Mycobacterium bovis in Spain	Resistant to high temperatures; Well accepted by 2–4 month-old wild boar piglets	Not resistant to water and moisture	[10, 36–38]
PIGOUT	Cylindrical shape (9×5 cm)	Delivery of toxicants or pharmaceuticals to feral pigs in Australia and USA	Resistant to high temperatures	Large size would not be suitable for piglets	[39–42]